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4 天
发现 H3K4me3 宽域调控精子发育基因表达时序的奥秘,揭示男性生育 ...
在卵母细胞中,H 3 K4me3 宽域跨度大于 10kb,覆盖约 22% 的基因组,主要定位于基因间区域,与 DNA 甲基化呈负相关,由 KMT2B(MLL2)负责形成,敲除 Kmt2b 基因后,虽然宽域消失,但转录变化不大,说明其在卵母细胞中不是转录的主要调节因子。而精子细胞中的 H 3 ...
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